package JDBC;

import com.alibaba.druid.pool.DruidDataSource;

import java.sql.Connection;

import java.sql.SQLException;

/*数据库工具类
* 维护数据库连接
* */
public class DBUtil {
    private static DruidDataSource dataSource =new DruidDataSource();
    static {
        dataSource.setUrl("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true");
        dataSource.setUsername("root");
        dataSource.setPassword("root");
        dataSource.setMinIdle(1);//最小连接数
        dataSource.setMaxActive(20);//最大连接数量
        dataSource.setInitialSize(5);//默认初始连接数量

    }


    public static Connection getConnection() throws SQLException {
        //返回连接池连接
        return dataSource.getConnection();
    }
}





